D defs.my
Entry 2 senses Webster, 1913

Chateau

/shăt-ō'/ · Cha·teau · IPA /ʃætˈoʊ/
01 n. A castle or a fortress in France.
pl. Chateux ((#))
  1. 1.
    A castle or a fortress in France.
  2. 2.
    A manor house or residence of the lord of the manor; a gentleman's country seat; also, particularly, a royal residence; as, the chateau of the Louvre; the chateau of the Luxembourg.